Answer:
Crooked as a rainbow and slick as a plate, ten thousand horses can't pull me straight. What am I?
When the clock has no angle, I will own yesterday, tomorrow and tonight. What am I?
What gets sharper the more you use it?
What has a face and two hands but no arms or legs?
Glittering points that downward thrust. Sparkling spears that never rust. What am I?
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.